Physics (AS & A Level) · May / June 2026 · Paper 22 · Question 3
9702
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Two oscillating dippers are used to create progressive transverse water waves on the surface of a lake. The waves are shown from above in Figure 3.1. A B P dippers crest trough Figure 3.1 Wave crests are represented by a solid line. Wave troughs are represented by a dashed line. The waves superpose and an interference pattern is formed on the surface of the water. The dippers oscillate in phase with each other and with a frequency of 3.0 Hz. not to scale
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3(a)[1]
3(b)(i)[1]
3(b)(ii)[3]
3(c)(i)[3]
3(c)(ii)[2]
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